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CLARK HUGH D

Overview
  • Total Patents
    11
About

CLARK HUGH D has a total of 11 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and medical technology are BIRDAIR STRUCTURES, SOUTHERN WIRE PTY LTD and HARRIS B J OXFORD LTD.

Patent filings in countries

World map showing CLARK HUGH Ds patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing CLARK HUGH Ds patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines
#3 Medical technology

Top inventors

# Name Total Patents
#1 Clark Hugh D 11

Latest patents

Publication Filing date Title
US1075899A Metallic fence-post.
US1058035A Fence-post.
US1075401A Demonstrating device.
US1045259A Locking device for burial vaults or casings.
US951364A Metallic burial casing or vault.
US859544A Metallic burial casing or vault.
US833773A Burial casing or vault.
US721355A Burial-case protector.
US699945A Burial-case protector.
CA75755A Burial case protector
US678224A Burial-case protector.